No tricks, please
It’s time again for your annual national convention, and this year you’ve decided to take the entire family. The venue is perfect: dependably mild weather, world–renowned restaurants, and plenty for…
Evidence-based practice and the evidence pyramid: A 21st century orthodontic odyssey
Organized evidence-based practice is said to have started in the medical field in the late 20th century. Its principles and usage eventually spread to other health sciences, including orthodontics. Although the…
Prevalence of malocclusion in Canadian children with autism spectrum disorder
Introduction The purposes of this study were to determine the prevalence of malocclusion among children with autism spectrum disorder (ASD) and to describe the most common malocclusion traits in this…
Harms and adverse events in clinical research
Harm is “the totality of possible adverse consequences of an intervention or therapy.” An adverse event is any unfavorable or harmful occurrence in a patient, temporarily related to a medical…
Effect of cervical or high-pull headgear on the vertical dimensions of Class II Division 1 patients
We read the article entitled “Change in the vertical dimension of Class II Division 1 patients after use of cervical or high-pull headgear” by Zervas et al in the November 2016…
Effects of short-term in-vivo studies on orthodontic root resorption paradigms
We want to praise Dr Darendeliler and his group for another excellent short-term in-vivo study of orthodontic root resorption, published in the January 2017 issue (Patterson BM, Dalci O, Papadopoulou…
Extraction frequencies
I read with a great deal of interest the article on extraction frequencies in the March issue of the journal (Jackson TH, Guez C, Lin FC, Proffit WR, Ko CC….
Surgery-first approach in correcting skeletal Class III malocclusion with mandibular asymmetry
This case report describes a surgical orthodontic case that used the recently introduced surgery-first approach to correct a severe skeletal Class III malocclusion. A 19-year-old woman presented with severe mandibular…
Orthodontic-surgical retreatment of facial asymmetry with occlusal cant and severe root resorption: A 3-year follow-up
Our objective was to report the orthodontic and surgical retreatment of a patient who had undergone a prolonged orthodontic treatment with extractions, but who had unsatisfactory results and persistent side…
Effects of unilateral premolar extraction treatment on the dental arch forms of Class II subdivision malocclusions
Introduction A retrospective study evaluating posttreatment symmetry in dental arch form and midlines was carried out in Class II subdivision patients treated with unilateral and bilateral maxillary premolar extractions. Methods…
Influence of different setups of the Frankfort horizontal plane on 3-dimensional cephalometric measurements
Introduction The Frankfort horizontal (FH) is a plane that intersects both porions and the left orbitale. However, other combinations of points have also been used to define this plane in…
Prognosis of primary and secondary insertions of orthodontic miniscrews: What we have learned from 500 implants
Introduction Although the success of using orthodontic miniscrews for primary insertion has been reported in the literature, few studies have followed up on secondary insertions after failure of the first…
Poisson regression
In this article, we will describe how to analyze the data used in our previous article regarding implant failures with Poisson regression. We are interested in examining whether the rate…
Caught but released
Several months ago, you finished treatment on Susie, age 15. She wears her retainer like most kids do—or don’t. She is still under your care and comes in for routine…
Surgery-first orthognathic approach vs traditional orthognathic approach: Oral health-related quality of life assessed with 2 questionnaires
Introduction The purposes of the study were to investigate and evaluate the differences detected by the patients between the traditional orthognathic approach and the surgery-first one in terms of level…
Effects of Case Western Reserve University’s transverse analysis on the quality of orthodontic treatment
Introduction The purpose of this study was to evaluate the effect of using the transverse analysis developed at Case Western Reserve University (CWRU) in Cleveland, Ohio. The hypotheses were based…
Rate of tooth movement and dentoskeletal effects of rapid canine retraction by dentoalveolar distraction osteogenesis: A prospective study
Introduction The purpose of this study was to test the null hypothesis that duration of orthodontic treatment can be significantly reduced by accelerating canine retraction using dentoalveolar distraction (DAD). Methods…
Idiopathic condylar resorptions: 3-dimensional condylar bony deformation, signs and symptoms
Introduction Our aim was to describe 3-dimensional condylar deformation of the temporomandibular joint (TMJ) and symptoms and signs of temporomandibular dysfunction (TMD) in patients with idiopathic condylar resorption (ICR). Methods…
Individualized intervention to reduce anxiety in adult orthodontic patients based on Q methodology
Introduction In this study, we used Q methodology to assess the concerns of adults seeking orthodontic treatment and to determine individualized interventions to reduce their anxiety. Methods Statements of concern…
Prediction of long-term success of orthopedic treatment in skeletal Class III malocclusions
Introduction We investigated the long-term success of orthopedic treatment in skeletal Class III malocclusions, established a model to predict its long-term success, and verified previously reported success rates and prediction…